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import { randomIndex } from './array';

describe('randomIndex', () => {

afterEach(() => {

vi.unstubAllEnvs();

});

it('is not random in e2e env', () => {

vi.stubEnv('E2E', 'true');

const fourItems = [0, 1, 2, 3];

const shouldBeSequential = [

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

];

expect(shouldBeSequential).toEqual([

0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3,

]);

});

it('is random when not in e2e env', () => {

vi.stubEnv('E2E', 'false');

const fourItems = [0, 1, 2, 3];

const probNotSequential = [

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

randomIndex(fourItems),

];

expect(probNotSequential).not.toEqual([

0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3, 0, 1, 2, 3,

]);

});

});